Sinezona mechanica Geiger & Marshall, 2012, new species ...

• Main Authors: Geiger, Daniel L., Marshall, Bruce A.
• Format: Text
• Language: unknown
• Published: Zenodo 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Gastropoda; Lepetellida; Scissurellidae; Sinezona; Sinezona mechanica; Macquarie Island
• Online Access: https://dx.doi.org/10.5281/zenodo.6166673; https://zenodo.org/doi/10.5281/zenodo.6166673

Sinezona mechanica new species (Figures 4–6) Type material. Holotype (NMNZ M.174828: Fig. 4). 1.28 × 0.88 mm. Paratypes from type locality (NMNZ M.045402, 2: Fig. 5 A–B). Additional paratypes: Saunders Canyon, off Otago Peninsula, South Island, New Zealand, 45.767˚S, 170.900˚E, 360 m (NMNZ M. 160300, 2: Fig. 5 C); Aerial Cove, Macquarie Island, 54.483˚S, 158.950˚E (AMS C.404496, 20). Type locality. Ocean Bay, Chatham Island, New Zealand, 43.833˚S, 176.783˚W, 12–15 m, 7 Dec. 2000, F.J. Brook, bryozoans, shell and sand from rock crevice. Etymology. Latin adjective referring to the sculpture of shell and protoconch suggestive of mechanical gears. Description. Shell small (to 0.89 mm. Figs 4–5), depressed trochiform globular. Protoconch of 1 whorl, many dense axial cords on centrifugal portion of whorls, thickened at top forming (near) continuous connecting spiral cord. Apertural varix terminal (Fig. 8 B), not connected to embryonic cap, apertural margin straight. Teleoconch I of 0.9–1 whorl, approximately 17–20 ... : Published as part of Geiger, Daniel L. & Marshall, Bruce A., 2012, New species of Scissurellidae, Anatomidae, and Larocheidae (Mollusca: Gastropoda: Vetigastropoda) from New Zealand and beyond, pp. 1-33 in Zootaxa 3344 on pages 6-8, DOI: 10.5281/zenodo.281437 ...